The Topeak Tubi Master + Tubeless Repair kit aims to provide riders with a compact do-it-all tool for trail-side tubeless repairs. Features: Compact, all-in-one tubeless tire repair kit and inflator for quick repairs on road or trail CO2 inflator head fits Presta or Schrader valves and carries a single threaded 16 or 25g cartridge Tire reamer, serrated knife and plug insertion tools fold away into the tool body while a hidden compartment holds repair plugs Includes frame mount module & 16g CO2 cartridge